/Engine/Plugins/MovieScene/MovieRenderPipeline/Source/MovieRenderPipelineCore/Public/Graph/MovieGraphNode.h
Because this is called either on the CDO or on a flattened instance, there is no need to worry about resolving the settings of the graph, the node only needs to read its own values.
virtual void GetFormatResolveArgs ( [FMovieGraphResolveArgs](API\Plugins\MovieRenderPipelineCore\Graph\FMovieGraphResolveArgs) & OutMergedFormatArgs ) const